"Summer," a Twilight fanfic 

Summer Johnson, Bella's best friend from Phoenix, arrives in Forks for a surprise visit. But Bella has changed so much that Summer isn't sure if Bella is her friend friend anymore. And when she meets Embry Call, her world is turned upside down.
Keywords: fanfiction, fanfiction.net, fanfic, twilight, summer, embry, bella, forks